Display device

Abstract

An exemplary embodiment provides a display device including: a display panel configured to include a first area, and a second area and a third area respectively disposed at opposite sides of the first area in a first direction; a first roller unit configured to wind the second area thereon; and a second roller unit configured to wind the third area of the display panel in an opposite direction to that of the first roller unit, wherein a distance between the first roller unit and the second roller unit which are separated from each other in the first direction can be adjusted.

What is claimed is: 
     
       1. A display device comprising:
 a display panel configured to include a first area, and a second area and a third area respectively disposed at opposite sides of the first area in a first direction; a first roller unit configured to wind the second area thereon; and a second roller unit configured to wind the third area of the display panel in an opposite direction to that of the first roller unit, 
 wherein the first roller unit and the second roller unit are separated from each other in the first direction by a distance, the first roller unit includes: 
 
       a first roller configured to rotate around a first rotation axis; and a second roller configured to rotate in an opposite direction to that of the first roller around a second rotation axis that is parallel to the first rotation axis in the first direction; and
 the first roller unit and the second roller unit are configured to be movable to allow the distance to be adjusted; 
 wherein the first roller is configured to wind the second area on the first roller around the first rotation axis and the second roller is configured to wind the second area on the second roller around the second rotation axis, 
 the second area is configured to include a first winding area that is wound around the first roller and a second winding area that is wound around the second roller, and wherein no area of the second area between the first winding area and the second winding area contacts any roller other than the first roller or the second roller. 
 
     
     
       2. The display device of  claim 1 , wherein the second area of the display panel is wound on at least one of external circumferential surfaces of the first roller and the second roller. 
     
     
       3. The display device of  claim 2 , wherein a first ratio which is a ratio of a first length of the second area wound around the external circumferential surface of the first roller to a length of a circumference of the first roller is the same as a second ratio which is a ratio of a second length of the second area wound around the external circumferential surface of the second roller to a length of a circumference of the second roller. 
     
     
       4. The display device of  claim 2 , wherein a radius of the first roller is a same radius as a radius of the second roller. 
     
     
       5. The display device of  claim 2 , wherein a radius of the first roller is a different radius from a radius of the second roller. 
     
     
       6. The display device of  claim 2 , wherein the first roller unit further includes a first connection plate configured to have a first-side end portion fixedly coupled to the external circumferential surface of the second roller, and a second-side end portion coupled to the second area,
 wherein the first connection plate is wound on the external circumferential surface of the first roller or the second roller. 
 
     
     
       7. The display device of  claim 2 , wherein the first roller unit further includes a third roller configured to rotate in an opposite direction to that of the second roller around a third rotation axis parallel to the first rotation axis and the second rotation axis. 
     
     
       8. The display device of  claim 1 , wherein the second roller unit includes:
 a fourth roller configured to rotate around a fourth rotation axis parallel to the first rotation axis in the first direction; and 
 a fifth roller configured to rotate in an opposite direction to that of the fourth roller around a fifth rotation axis parallel to the fourth rotation axis in the first direction. 
 
     
     
       9. The display device of  claim 8 , wherein the third area is wound on at least one of external circumferential surfaces of the fourth roller and the fifth roller. 
     
     
       10. The display device of  claim 9 , wherein a third ratio which is a ratio of a length of the display panel wound on the external circumferential surface of the fourth roller to a length of a circumference of the fourth roller is the same as a fourth ratio which is a ratio of a length of the display panel wound on the external circumferential surface of the fifth roller to a length of a circumference of the fifth roller. 
     
     
       11. The display device of  claim 9 , wherein a radius of the fourth roller is a same radius as a radius of the fifth roller. 
     
     
       12. The display device of  claim 9 , wherein a radius of the fourth roller is a different radius from a radius of the fifth roller. 
     
     
       13. The display device of  claim 9 , wherein the second roller unit further includes a second connection plate configured to have a first-side end portion fixedly coupled to the external circumferential surface of the fifth roller, and a second-side end portion coupled to the third area,
 wherein the second connection plate is wound on the external circumferential surface of the fourth roller or the fifth roller. 
 
     
     
       14. The display device of  claim 9 , wherein the second roller unit further includes a sixth roller configured to rotate in an opposite direction to that of the fifth roller around a sixth rotation axis parallel to the fourth rotation axis and the fifth rotation axis.